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1N4738A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N4738A product

1N4738A

Diodes - Zener - Single

Zener Diode1W8.2VDO-41

The 1N4738A is a 1W Zener diode with a nominal voltage of 8.2V, housed in a DO-41 axial package, ideal for voltage regulation and clipping circuits.

Best for

  • Voltage regulation
  • Signal clipping
  • Surge protection

Avoid if

  • High-density surface mount designs (requires axial through-hole mounting)

Check before use

  • Thermal dissipation requirements
  • Lead length for heat sinking

Key specifications

Nominal Zener Voltage
8.2 V
Power Dissipation
1 W
Test Current
31 mA

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
EAR99
HTSUS
8541.10.0050

Application

Power RegulationGeneral Electronics

Datasheet

1N4738A-NTE-Electronics-datasheet-21327114.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N4738A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The 1N4738A is a silicon planar power Zener diode designed for stabilizing and clipping circuits, featuring a 1W power dissipation rating.